The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 17, 2006
Filed:
Dec. 10, 2001
Hitoshi Yoshimori, Yamatokoriyama, JP;
Hitoshi Yoshimori, Yamatokoriyama, JP;
SHT Corporation Limited, Osaka, JP;
Abstract
The invention provides a process for fabricating a coil device which process comprises the steps of making an air-core coiland fitting the air-core coilaround a core. The first step makes an air-core coilcomprising a plurality of unit coil portionsarranged axially of the coil and each having one or a plurality of turns of conductor, each pair of unit coil portions adjacent to each other axially of the coil being different from each other in inner peripheral length. The fitting step fits the air-core coilaround the corewhile at least partly forcing the unit coil portionsof small inner peripheral length inwardly of the unit coil portionsof great inner peripheral length by compressing the coilaxially thereof. The process realizes a high space factor without using a rectangular or trapezoidal conductor, and can be automated.